Simple Mini Map Tutorial for Godot

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Simple Mini Map Tutorial for Godot

Table of Contents

  1. Introduction
  2. Setting up the Test Scene
    1. Adding a GUI
    2. Adding a Viewport Container
    3. Adding a Viewport
    4. Adding a Camera
  3. Configuring the Mini Map
    1. Creating a Custom Script
    2. Getting a Reference to the Player
    3. Making the Camera Follow the Player
  4. Enhancing the Mini Map
    1. Adding a Color Rect
    2. Setting up the Background
  5. Conclusion

Introduction

In this tutorial, we will learn how to set up a mini map in Godot. A mini map is a useful component that provides an overview of the game world and helps players navigate more effectively. We will go through the step-by-step process of creating a mini map, configuring it to follow the player, and enhancing its appearance. By the end of this tutorial, You will have a functional mini map that you can integrate into your Godot game.

Setting up the Test Scene

Before we dive into creating the mini map, we need to set up a test scene in Godot. This scene will serve as the basis for our demo.

Adding a GUI

To start, let's add a GUI to our test scene. The GUI will act as a canvas layer where we can place our mini map and other UI elements. Select the root node of your scene and add a CanvasLayer node to it. Rename the node to "GUI" for Clarity.

Adding a Viewport Container

Next, we need to add a ViewportContainer node as a child of the GUI node. The ViewportContainer will hold our mini map. With the ViewportContainer selected, go to the Inspector panel and navigate to the "Rect" section. Set the "Min Size" property to 200 for both the X and Y axes. You can adjust the size according to your preferences.

Adding a Viewport

With the ViewportContainer still selected, add another node by pressing Ctrl+A. This time, choose "Viewport" as the node Type. Again, set the "Min Size" property to 200 for both the X and Y axes. This will determine the size of our mini map. Additionally, enable the "Transparent BG" option to make the background of the mini map viewport transparent.

Adding a Camera

Now, we need to add a camera to the Viewport. Select the Viewport node and add a Camera as its child. You can keep the default settings for the camera, or customize them according to your game's requirements. To preview the camera's view, you can click the "Preview" button in the Viewport panel. Adjust the camera's position and rotation to achieve the desired perspective for your mini map.

Configuring the Mini Map

With the basic setup complete, we can now focus on configuring the mini map and making it functional.

Creating a Custom Script

We will start by creating a custom script to handle the logic for the mini map. Select the Camera node and add a new script to it. Name the script "Minimap" or any other suitable name. Save the script in the desired location within your project.

Getting a Reference to the Player

To make the camera follow the player, we first need to obtain a reference to the player node. In our script, we can achieve this by using an exported variable. Add the following code at the beginning of your script:

export (NodePath) var target
var player

Making the Camera Follow the Player

Now, let's update the script to control the camera's translation Based on the player's position. Add the following code inside the process function:

func process(delta):
    if player:
        translation = Vector3(player.translation.x, player.translation.y, translation.z)

By using the process function, which gets called every frame, we can continuously update the camera's position to match the player's position.

Enhancing the Mini Map

In this section, we will add some visual enhancements to the mini map to improve its appearance and usability.

Adding a Color Rect

To Create a background for the mini map, we will use a ColorRect node. Select the GUI node and add a ColorRect as its child. Set the "Min Size" property of the ColorRect to match the size of the ViewportContainer, which in our case is 200x200. Customize the color to your preference, such as a dark gray.

Setting up the Background

Move the ViewportContainer as a child of the ColorRect node. With the ViewportContainer selected, go to the Layout section in the Inspector panel and choose "Full Rect". This ensures that the ViewportContainer fills the entire space of the ColorRect.

Conclusion

Congratulations! You have successfully set up a mini map in Godot. By following the steps in this tutorial, you have learned how to create a functional mini map, configure it to follow the player, and enhance its appearance. Feel free to experiment with different settings and customization options to suit your game's needs. Adding a mini map can greatly improve the player experience and provide valuable navigation assistance. Happy game development!

Highlights

  • Learn how to set up a mini map in Godot
  • Step-by-step guide with detailed instructions
  • Configure the mini map to follow the player
  • Enhance the mini map's appearance with a background color

FAQ

Q: Can I resize the mini map? A: Yes, you can adjust the size of the mini map by modifying the "Min Size" property of the ViewportContainer and Viewport nodes.

Q: How do I change the camera's perspective? A: In the Camera node, you can switch between perspective and orthogonal views. Use the "FOV" property to adjust the field of view for perspective mode.

Q: Can I customize the mini map's appearance? A: Yes, you can modify the background color, size, and other visual aspects of the mini map by adjusting the properties of the ColorRect node and its children.

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